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Example of Subclassing listviews using setwindowSubclass in order to intercept WM_KEYUP events Also pops context menu on Shift + F10 #include <Misc.au3> #include <ListViewConstants.au3> #include <GUIConstants.au3> #include <GuiMenu.au3> #include <WinAPIShellEx.au3> Global $g_hCB, $g_pCB, $g_ahProc[2][2] ;Stores the Data for subclassing listview Global $g_LVKEYUP = 0xFE00, $g_LVKEYDN = 0xFD00 ;Our Own Custom messages (Key Up/Dn) Global $g_iDummyData Global $g_hGui = GUICreate("test") Global $g_hList1 = GUICtrlCreateListView("#|x|y", 5, 24, 161, 70, $LVS_SHOWSELALWAYS Or $LVS_SINGLESEL) GUICtrlCreateListViewItem("text", $g_hList1) Global $g_hList1_LVN = GUICtrlCreateDummy() ;Recieves Messages from the callback Global $g_hContext1 = GUICtrlCreateContextMenu($g_hList1) GUICtrlCreateMenuItem("1", $g_hContext1) GUICtrlCreateMenuItem("2", $g_hContext1) Global $g_hList2 = GUICtrlCreateListView("#|x|y", 5, 100, 161, 70, $LVS_SHOWSELALWAYS Or $LVS_SINGLESEL) GUICtrlCreateListViewItem("text", $g_hList2) Global $g_hList2_LVN = GUICtrlCreateDummy() ;Recieves Messages from the callback Global $g_hContext2 = GUICtrlCreateContextMenu($g_hList2) GUICtrlCreateMenuItem("3", $g_hContext2) GUICtrlCreateMenuItem("4", $g_hContext2) GUISetState(@SW_SHOW) SubClassListView() ;Creates our subclass Func SubClassListView() OnAutoItExitRegister("Cleanup") ;to remove our subclass $g_hCB = DllCallbackRegister('_SubclassProc', 'lresult', 'hwnd;uint;wparam;lparam;uint_ptr;dword_ptr') $g_pCB = DllCallbackGetPtr($g_hCB) $g_ahProc[0][0] = $g_hList1 ;Add the Ids of the controls we'd like to subclass $g_ahProc[1][0] = $g_hList2 ;Set up the subclass _WinAPI_SetWindowSubclass ( $hWnd, $pSubclassProc, $idSubClass [, $pData = 0] ) $g_ahProc[0][1] = _WinAPI_SetWindowSubclass(GUICtrlGetHandle($g_ahProc[0][0]), $g_pCB, $g_ahProc[0][0], $g_hList1_LVN) $g_ahProc[1][1] = _WinAPI_SetWindowSubclass(GUICtrlGetHandle($g_ahProc[1][0]), $g_pCB, $g_ahProc[1][0], $g_hList2_LVN) EndFunc ;==>SubClassListView Func _SubclassProc($hWnd, $iMsg, $wParam, $lParam, $iID, $pData) #forceref $iID Local $iRtnMsg = 0 ;Events we'd like to intercept If $iMsg = $WM_KEYUP Or $iMsg = $WM_SYSKEYUP Then $iRtnMsg = $g_LVKEYUP ElseIf $iMsg = $WM_KEYDOWN Or $iMsg = $WM_SYSKEYDOWN Then $iRtnMsg = $g_LVKEYDN EndIf ;We Recieve the Id of the dummy through $pData and pass our RtnMsg to the dummy control If $iRtnMsg Then GUICtrlSendToDummy($pData, BitOR($iRtnMsg, $wParam)) ;Pass messages on to the default handler Return _WinAPI_DefSubclassProc($hWnd, $iMsg, $wParam, $lParam) EndFunc ;==>_SubclassProc Func Cleanup() For $i = 0 To UBound($g_ahProc) - 1 ;Remove Our Subclass' by setting it back to the original proc _WinAPI_RemoveWindowSubclass(GUICtrlGetHandle($g_ahProc[$i][0]), DllCallbackGetPtr($g_ahProc[$i][1]), $g_ahProc[$i][0]) Next DllCallbackFree($g_hCB) EndFunc ;==>Cleanup While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE Exit Case $g_hList1_LVN ;This is just a dummy it only recieves events ConsoleWrite("LV1 EVENT 0x" & Hex($g_iDummyData, 4) & @CRLF) $g_iDummyData = GUICtrlRead($g_hList1_LVN) ;Retrieve the code that was sent Switch BitAND($g_iDummyData, 0xFF00) ;Get the keyup/dn status Case $g_LVKEYDN If BitAND($g_iDummyData, 0x00FF) = 0x79 And (_IsPressed("A0") Or _IsPressed("A1")) Then ;Right/ Left Shift & F10 ShowMenu($g_hGui, $g_hList1, $g_hContext1) Else ConsoleWrite("Lv1 KeyDn Vk: 0x" & Hex(BitAND($g_iDummyData, 0x00FF), 2) & @CRLF) ;Get the Virtual keycode EndIf Case $g_LVKEYUP ConsoleWrite("Lv1 KeyUp Vk: 0x" & Hex(BitAND($g_iDummyData, 0x00FF), 2) & @CRLF) ;Get the Virtual keycode EndSwitch Case $g_hList2_LVN $g_iDummyData = GUICtrlRead($g_hList2_LVN) ;Retrieve the code that was sent ConsoleWrite("LV2 EVENT 0x" & Hex($g_iDummyData, 4) & @CRLF) Switch BitAND($g_iDummyData, 0xFF00) ;Get the keyup/dn status Case $g_LVKEYDN ConsoleWrite("Lv2 KeyDn Vk: 0x" & Hex(BitAND($g_iDummyData, 0x00FF), 2) & @CRLF) ;Get the Virtual keycode Case $g_LVKEYUP ConsoleWrite("Lv2 KeyUp Vk: 0x" & Hex(BitAND($g_iDummyData, 0x00FF), 2) & @CRLF) ;Get the Virtual keycode EndSwitch EndSwitch WEnd Func ShowMenu($hWnd, $idCtrl, $idContext) Local $aPos, $iX, $iY Local $hMenu = GUICtrlGetHandle($idContext) $aPos = ControlGetPos($hWnd, "", $idCtrl) $iX = $aPos[0] $iY = $aPos[1] + $aPos[3] ClientToScreen($hWnd, $iX, $iY) ; Show at the given coordinates (x, y) the popup menu (hMenu) which belongs to a given GUI window (hWnd) _GUICtrlMenu_TrackPopupMenu($hMenu, $hWnd, $iX, $iY) EndFunc ;==>ShowMenu ; Convert the client (GUI) coordinates to screen (desktop) coordinates Func ClientToScreen($hWnd, ByRef $iX, ByRef $iY) Local $tPoint = DllStructCreate("int;int") DllStructSetData($tPoint, 1, $iX) DllStructSetData($tPoint, 2, $iY) DllCall("user32.dll", "int", "ClientToScreen", "hwnd", $hWnd, "struct*", $tPoint) $iX = DllStructGetData($tPoint, 1) $iY = DllStructGetData($tPoint, 2) ; release Struct not really needed as it is a local $tPoint = 0 EndFunc ;==>ClientToScreen Old Code Using setWindowLong